Network ToolsDNS LookupQuery A, AAAA, CNAME, MX, NS, TXT, SOA, CAA, SRV, and PTR records over DNS-over-HTTPS.Live lookup
Network ToolsIP Address AnalyzerInspect IPv4 or IPv6 addresses, scope, network details, binary, hex, and reverse DNS.On-device
Network ToolsIPv4 Subnet CalculatorAnalyze IPv4 networks, masks, wildcard masks, host ranges, and address representations.On-device
Network ToolsIPv6 Subnet CalculatorAnalyze and expand IPv6 addresses, prefixes, ranges, scopes, binary, hex, and PTR names.On-device
Network ToolsVLSM PlannerAllocate IPv4 subnets by host requirement with masks, wildcard masks, ranges, and utilization.On-device
Network ToolsBandwidth / Transfer CalculatorEstimate transfer duration from data size, link speed, units, and efficiency.On-device
Network ToolsCIDR / Netmask / Wildcard ConverterConvert IPv4 CIDR prefixes, subnet masks, and wildcard/ACL masks.On-device
Network ToolsIP Range & CIDR SummarizerConvert IPv4 address ranges to minimal CIDRs and summarize adjacent or overlapping CIDRs.On-device
Network ToolsMAC Address ToolNormalize MAC formats, inspect address bits, derive EUI-64/link-local IPv6, and generate local MACs.On-device
Network ToolsMTU / MSS CalculatorCalculate IPv4/IPv6 TCP MSS or UDP payload after headers and encapsulation overhead.On-device
Network ToolsPort & Service ReferenceSearch common TCP/UDP ports and services without scanning or connecting to remote hosts.On-device
Network ToolsReverse DNS Name GeneratorGenerate in-addr.arpa or ip6.arpa PTR query names locally from IPv4 and IPv6 addresses.On-device